<header class="app-header navbar" ng-controller="NavBarController">
  <button class="navbar-toggler mobile-sidebar-toggler d-lg-none" type="button">&#9776;</button>
  <a class="navbar-brand"></a>
  <ul class="nav navbar-nav d-md-down-none">
    <li class="nav-item">
      <a class="nav-link navbar-toggler layout-toggler" style="color: #999;" ng-click="toggleSidebar()">&#9776;</a>
    </li>
  </ul>
  <ul class="nav navbar-nav ml-auto">
    <li class="nav-item" ng-show="config.isonline == 1">
      <i class="fa fa-server header-buttons fa-lg" style="color: #90EE90;"></i>
    </li>
    <li class="nav-item" ng-show="config.isonline != 1">
      <i class="fa fa-server fa-lg" style="color: #ff6666;"></i>
    </li>
  </ul>
</header>